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For a DPU rate of 0.02120 determine Z equiv and Z~st~ Estimate the ppm defect rate - please how t...

For a DPU rate of 0.02120 determine Z equiv and Z~st~ Estimate the ppm defect rate - please how to do this in excel show all steps taken this is question 9.20.4 six sigma book implementing six sigma

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Answer #1

The DPU rate is given as 0.02120. The table of standardized normal curve is used to find the value of Z-value from DPU.

TABLE A Area Under the Standardized Normal Curve 乙.00 .01 0.0 .5000 .4960 4920 4880 4840.48014761 4721 4681 4641 0.1 .4602 .4

from the standardized normal stable,

zequir value against DPU of 0.0212 is 2.03

   ZLT =Zequir=2.03

Zst=ZLT+1.5 SHIFT

=2.03+1.5

=3.53

The corresponding value of Zstfrom table S is 22750

The PPM rate is approximately 22.750

033 5 2888 1 9 3 8 7 9 7 5 1 2 2 2 4729 2284399725 859778 91660 855 98 741 2 6555443332221111 531 2 2 893 2128 28279111 83391

Hence , the ppm is 22,750.

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